281207388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:488

約数の個数: 144

約数和(自身を含む): 837751040

約数和(自身を除く): 556543652

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 73, 77, 84, 121, 132, 146, 154, 219, 231, 242, 292, 308, 363, 379, 438, 462, 484, 511, 726, 758, 803, 847, 876, 924, 1022, 1137, 1452, 1516, 1533, 1606, 1694, 2044, 2274, 2409, 2541, 2653, 3066, 3212, 3388, 4169, 4548, 4818, 5082, 5306, 5621, 6132, 7959, 8338, 8833, 9636, 10164, 10612, 11242, 12507, 15918, 16676, 16863, 17666, 22484, 25014, 26499, 27667, 29183, 31836, 33726, 35332, 45859, 50028, 52998, 55334, 58366, 61831, 67452, 83001, 87549, 91718, 105996, 110668, 116732, 123662, 137577, 166002, 175098, 183436, 185493, 193669, 247324, 275154, 304337, 321013, 332004, 350196, 370986, 387338, 550308, 581007, 608674, 642026, 741972, 774676, 913011, 963039, 1162014, 1217348, 1284052, 1826022, 1926078, 2130359, 2324028, 3347707, 3652044, 3852156, 4260718, 6391077, 6695414, 8521436, 10043121, 12782154, 13390828, 20086242, 23433949, 25564308, 40172484, 46867898, 70301847, 93735796, 140603694, 281207388]

約数ペア:

[(1, 281207388), (2, 140603694), (3, 93735796), (4, 70301847), (6, 46867898), (7, 40172484), (11, 25564308), (12, 23433949), (14, 20086242), (21, 13390828), (22, 12782154), (28, 10043121), (33, 8521436), (42, 6695414), (44, 6391077), (66, 4260718), (73, 3852156), (77, 3652044), (84, 3347707), (121, 2324028), (132, 2130359), (146, 1926078), (154, 1826022), (219, 1284052), (231, 1217348), (242, 1162014), (292, 963039), (308, 913011), (363, 774676), (379, 741972), (438, 642026), (462, 608674), (484, 581007), (511, 550308), (726, 387338), (758, 370986), (803, 350196), (847, 332004), (876, 321013), (924, 304337), (1022, 275154), (1137, 247324), (1452, 193669), (1516, 185493), (1533, 183436), (1606, 175098), (1694, 166002), (2044, 137577), (2274, 123662), (2409, 116732), (2541, 110668), (2653, 105996), (3066, 91718), (3212, 87549), (3388, 83001), (4169, 67452), (4548, 61831), (4818, 58366), (5082, 55334), (5306, 52998), (5621, 50028), (6132, 45859), (7959, 35332), (8338, 33726), (8833, 31836), (9636, 29183), (10164, 27667), (10612, 26499), (11242, 25014), (12507, 22484), (15918, 17666), (16676, 16863)]